Long Prom Dresses: Elegant Floor-Length & Maxi Styles

Make a grand entrance in our breathtaking collection of long prom dresses. From the timeless volume of a floor-length ball gown to the sleek silhouette of a maxi evening dress, our range is designed to provide maximum glamour. Whether you are looking for long-sleeved lace or a flowing chiffon A-line, our free custom-made service ensures your gown is tailored to your exact height, giving you the perfect 'hollow-to-hem' fit.

▼ Styling Guide: Choosing the Perfect Long Gown

Trending Long Silhouettes: Ball Gowns, A-Lines, and Sheaths

Long prom dresses are the ultimate symbol of formal sophistication for UK Year 11 and Year 13 proms. For 2026, the trends favor full-length ball gowns with dramatic skirts and minimalist satin maxi dresses that offer a sleek, modern look. Whether you prefer the romanticism of long lace gowns or the sparkle of a sequined floor-length dress, a long silhouette provides a statuesque appearance that photographs beautifully from every angle.

The Perfect Length with Free Custom Tailoring

The biggest challenge with floor-length gowns is getting the length exactly right to match your height and your heels. A dress that is too long can be difficult to walk in, while one that is too short loses its formal impact. At HappyProm, we offer free custom sizing, including a specific 'hollow-to-hem' measurement. This ensures your made-to-measure long dress hits the floor at the perfect point, allowing you to move with confidence and grace all night long.

Quality Craftsmanship & Reliable UK Delivery

Our long formal dresses are crafted from premium fabrics such as multi-layered tulle, heavy-weight satin, and delicate chiffon. As a trusted UK-based prom store, HappyProm combines affordable prices with high-end craftsmanship. With fast UK delivery and a dedicated support team, we make finding your dream full-length gown easy and stress-free. Explore our 2026 collection today and find the perfect long dress for your milestone event.

Show:
Sort By:
Pleated chiffon with sequin decoration in one shoulder style and also with sweep train, you will be ..
£88.00
Ex Tax: £88.00
Beaded top with halter neckline and transparent Waist to beautiful waistline and shoulder. Chiffon b..
£108.61 £104.00
Ex Tax: £104.00
Hollow at the chest trimming the elegance neckline with sequin around,skirt flowing down to the floo..
£108.00 £89.00
Ex Tax: £89.00
Emitted sequin and bead,colorful rhinestone decorated golden top with elegant sweetheart neckline, f..
£107.00
Ex Tax: £107.00
Adorned with exquisite Beading on the bodice,empire slim fitting,skirts gathering at the waist and l..
£90.00
Ex Tax: £90.00
The spotlight of this blue plus size bridesmaid dresses for curve girls is the lace cape shape sleev..
£92.00 £88.00
Ex Tax: £88.00
This lace dress is so gorgeous with open back and deep v-neck, but it also with bow knot belt and re..
£113.00 £92.00
Ex Tax: £92.00
Special Keyhole one strap cross shoulder to back into two sequin straps, special and elegance,the la..
£91.00
Ex Tax: £91.00
Fashionable cut showed your good body figure and large areas lace revealed your sweetness, your fair..
£102.00 £91.00
Ex Tax: £91.00
Blue color is one of the most wedding colors, it matchs most wedding themes, this long blue bridesma..
£89.00 £83.00
Ex Tax: £83.00
Ruched sweetheart neckline,floor length with sweep train,fully lined,this Grecian formal dress accom..
£99.00
Ex Tax: £99.00
Pleated chiffon dress with crown shaped sequins, exquisite and elegance for any formal occasion.Silh..
£88.00
Ex Tax: £88.00
Chiffon straps cross at the top of bust and back,cut out back, very special design and A-line style ..
£98.00 £90.00
Ex Tax: £90.00
This wedding bridesmaid dress is simple but elegant. Criss-cross pleated top bodice with thin straps..
£87.00
Ex Tax: £87.00
Solemn navy blue chiffon prom dress, with flower shape shoulder strap, simplicity with elegance. Str..
£93.41 £83.00
Ex Tax: £83.00
This dress is so sexy with the deep V back and sweetheart neckline.Sequin and beading straps and wai..
£95.00 £89.00
Ex Tax: £89.00
This gorgeous dress in chocolate color, a perfect color for fall wedding,the sepcial design at the b..
£91.00
Ex Tax: £91.00
Sweetheart,empire waist in Aline silhouette, all this aim to catching eyes to your top body, thinkin..
£84.00
Ex Tax: £84.00
This prom dress'main material is high quality chiffon. The unique shoulder design, elegant retro. Wa..
£89.06 £85.00
Ex Tax: £85.00
Sweetheart neckline,pleated nipped waist, all these fashion cut show off your perfect body shape eff..
£85.00
Ex Tax: £85.00
The special design of this dress is using the oblique asymmetric pleated to creating elegance fitted..
£84.00
Ex Tax: £84.00
The perfect combination of lace,floral embroidery and chiffon. Elegance,sexy and fashion.Silhouette:..
£130.00 £118.00
Ex Tax: £118.00
Sequin and Beading bust and straps with empire pleated waist, length legs perfectly. Feeling of this..
£108.61 £98.00
Ex Tax: £98.00
Aline style suitable for every body shape.Sweetheart neckline to enhances the bust area, with sequin..
£103.00
Ex Tax: £103.00
Showing 241 to 264 of 401 (17 Pages)
Deals Of The Day
Sexy Sparkly Plunging V-Neck Dark Grey Prom Dress with Slit KSP491
Embrace Modern Sophistication in Our Dark Grey Sparkly GownRedefine evening glamour with the KSP491...
Special price:£95.00
Old price:£120.00
You save:£25.00
Beautiful Sunset Long Ombre Cape Prom Dresses KSP421
The beautiful long prom dresses in color same as sunset in maxi dress style, with this ombre prom dr..
Special price:£118.15
Old price:£128.50
You save:£10.35
Black Crystal Embellished Halter A-Line Prom Dress KSP541
Step Into Elegance with Our Crystal Halter A-Line GownDiscover the perfect blend of modern sparkle a..
Special price:£119.00
Old price:£140.00
You save:£21.00
Floral Embellished Sheer Corset Prom Gown - Sweetheart A-line Champagne Gold Tulle Gown KSP655
Make a dazzling entrance at your next big event with our KSP655 floral embellished prom gown. This s..
Special price:£138.00
Old price:£150.00
You save:£12.00
Lilac Purple Applique Corset Mermaid Prom Dress KSP632
Define Your Curves in Our Lilac Applique Mermaid GownMake an unforgettable entrance with the KSP632...
Special price:£127.00
Old price:£138.00
You save:£11.00
Happyprom © 2026